131673789 has 32 divisors (see below), whose sum is σ = 222445440. Its totient is φ = 76260096.

The previous prime is 131673769. The next prime is 131673793. The reversal of 131673789 is 987376131.

It is not a de Polignac number, because 131673789 - 2⁹ = 131673277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131673749) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5067 + ... + 17000.

It is an arithmetic number, because the mean of its divisors is an integer number (6951420).

Almost surely, 2^131673789 is an apocalyptic number.

It is an amenable number.

131673789 is a deficient number, since it is larger than the sum of its proper divisors (90771651).

131673789 is a wasteful number, since it uses less digits than its factorization.

131673789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22106 (or 22100 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 131673789 is about 11474.9199997211. The cubic root of 131673789 is about 508.7445591403.

The spelling of 131673789 in words is "one hundred thirty-one million, six hundred seventy-three thousand, seven hundred eighty-nine".